Convert centimeters to inches (cm to in) and in to cm (inch to centimeter) Centimetre (American spelling: centimeter, abbreviation and symbol: cm) is a unit of length in the metric system. One cm is equal to one hundredth of a metre (amer. spelling: meter), which is the current SI base unit of length.
Painting Lesson-Color Perspective. Understanding the principles of color perspective; painting a field of strokes with the idea of warm colors coming forward and cool colors receding. Warm colors like red and yellow are considered advancing colors. Cool colors such as blue and green are receding colors.
Full Text. In art, perspective is an approximate representation on a flat surface of an image as it is seen by the eye, calculated by assuming a particular vanishing point. Systematic attempts to evolve a system of perspective are usually considered to have begun around the 5th century BCE in the art of Ancient Greece.